Module of Biochimistry
Organic constituents of the organism (sugars, proteins, lipids): main functions (10 hours). We will discuss the structure and function of sugars, amino acids, lipids, cholesterol, and energy molecules. Reserve molecules, glycogen and triglycerides. Structure of lipids; micelles, double lipid layers, biological membranes and structural cholesterol properties. Proteins: peptide binding, amino acid sequence, three-dimensional structure (eg collagen), post-translational modifications, phosphorylation, glycosylation, proteolytic cleavage (coagulation examples and digestive enzymes), coenzyme bonds. Oxygen transporters. Hemoglobin and Mioglobin. Enzymes: properties, kinetics, inhibitions, regulation, specificity, nomenclature, and enzyme cofactors. Vitamins. Nutrition biochemistry will be provided throughout the course.
Metabolism of the main biomolecules (10 hours). The concept of anabolism and catabolism will be discussed. Bioenergetics . ATP, substrate phosphorylation at NAD + / FAD substrate, reducing power. Respiratory chain. Glycolysis, glycogen metabolism and the effect of insulin and glucagon. Krebs cycle, gluconeogenesis and their regulation. Nitrogen metabolism, transamination, urea cycle and uric acid. Fatty metabolism and metabolic adaptations in fasting. Heme and albumin catabolism. Lipoproteins, bile acids, and cholesterol metabolism.
Hormones: their metabolic roles (4 hours). The main hormones with metabolic effects and in particular insulin, glucagon, adrenaline, cortisol (glucose homeostasys), thyroid hormone, calcium regulation (vitamin D), steroid hormones (mineralcorticoids, glucocorticoids, sexual hormones) will be presented. Surface or intracellular hormonal receptor, second messengers (AMP cyclic, calcium, inositol triphosphate). Mediators such as prostaglandins, leucotrienes and thromboxanes will be made throughout the course.